Stan Wawrinka vs Federico Delbonis: 2015 Geneva Open

The man who shocked the Rome Open after beating the king of clay Rafael Nadal, Stan Wawrinka has just defeated Lukas Rosol 6-4, 3-6, 6-3 in a little over ninety minutes on Wednesday moving him into the 2015 Geneva Open quarter-finals. He lost the following day to Roger Federer, but he’s the top seed at this open and looking to get further this time around.

The Swiss beat the Czech 6-4, 3-6, 6-3 in 96 minutes, firing six aces and capitalising on three of his eight break point chances to reach the quarter-finals, where he will faceFederico Delbonis. The pair have met once before on clay in 2009 in Gstaad. Wawrinka won in straight sets.

Sixth seed Joao Sousa won his second round match 6-4, 6-4 over Jurgen Melzer in 80 minutes. In his second quarter-final of the season (also Montpellier), Sousa will face third seed Pablo Andujar.

The Spaniard needed two hours and 15 minutes to beat qualifier Adrian Mannarino 3-6, 7-6(2), 6-2, saving seven of nine break points he faced to reach his second quarter-final of the year (also Barcelona).

Federico Delbonis beat Andrey Kuznetsov 6-3, 6-4 in 66 minutes. The Argentine awaits the winner of top seed Stan Wawrinka and Lukas Rosol in the quarter-finals.

Raven Klaasen and Yen-Hsun Lu saved all three break points faced to reach the semi-finals with a 6-2, 6-1 win over Frantisek Cermak and Jonathan Erlich in 48 minutes. The South African/Chinese Taipei duo will face fourth seeds Treat Huey and Scott Lipsky for a spot in the final.